Home / 102,008,853.22-153,072,555-42,916,904.68

Finding the Fourth Proportional to 102,008,853.22, 153,072,555 and 42,916,904.68

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Solution

The fourth proportional to 102,008,853.22, 153,072,555 and 42,916,904.68 is: 64,400,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,008,853.22 : 153,072,555 = 42,916,904.68 : x
  2. Step 2: Convert to fraction form
    102,008,853.22/153,072,555 = 42,916,904.68/x
  3. Step 3: Cross multiply
    102,008,853.22x = 153,072,555 × 42,916,904.68
  4. Step 4: Simplify right side
    102,008,853.22x = 6,569,400,252,059,057
  5. Step 5: Solve for x
    x = 6,569,400,252,059,057/102,008,853.22
  6. Step 6: Final answer
    x = 64,400,295.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.